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Finding the Fourth Proportional to 335,547.44, 503,256.18 and 130,381.74

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Solution

The fourth proportional to 335,547.44, 503,256.18 and 130,381.74 is: 195,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,547.44 : 503,256.18 = 130,381.74 : x
  2. Step 2: Convert to fraction form
    335,547.44/503,256.18 = 130,381.74/x
  3. Step 3: Cross multiply
    335,547.44x = 503,256.18 × 130,381.74
  4. Step 4: Simplify right side
    335,547.44x = 65,615,417,020.38
  5. Step 5: Solve for x
    x = 65,615,417,020.38/335,547.44
  6. Step 6: Final answer
    x = 195,547.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.